General Information: DTC Detecting Condition
DTC DETECTING CONDITION AND POSSIBLE CAUSES
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
|
- Short to ground in signal harness
- Contact resistance in connectors
- Faulty Heated O2 Sensor (HO2S))
|
| Enable Conditions |
- Catalyst temperature model > 400°C (752°F)
- Lambda regulation active
- Lambda controller not on the limit
- Stable driving condition
- Canister purge after fuel cut off not active
- No relevant failure
- Battery voltage > 10V
|
|
| Threshold Value |
- Sensor voltage < 0.02V and element resistance < 20Ω
|
| Diagnostic Time |
|